Cameron WKM MA Installation, Operation And Maintenance Manual - Page 11
Browse online or download pdf Installation, Operation And Maintenance Manual for Control Unit Cameron WKM MA. Cameron WKM MA 12 pages. Dynacentric high performance butterfly valve
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Routine Maintenance
Because of the simple design and operation, the
WKM
DynaCentric
MA High Performance Butterfly
Valve requires virtually no maintenance.
Its non-lubricated construction and protected seat
design provides reliable leak free performance
without routine servicing.
Troubleshooting
Trouble
Probable Cause
The seat and/or disc is worn or
damaged.
The valve will
Foreign matter is present between
not seal properly.
seat and disc.
Operator stops are not set properly.
Build up of solids or roughness on
edge of disc.
The valve is
Stem packing is too tight.
hard to operate.
Operator is not installed properly.
The valve
Disc hits on side of pipe.
will not open.
Seat retainer screws are not tight.
The valve leaks
Body gasket is damaged.
between body
(FO and MO seats only)
and seat retainer.
Seat is damaged
Gland nuts are loose.
The valve is
leaking around
stem.
Packing is damaged or worn.
The valve opens
Handle or actuator does not provide
and closes with
proper restraint.
line flow.
* Contact your Cameron representative for technical information or repair manual.
Additional information is also available on-line at www.c-a-m.com
Installation, Operation and Maintenance Manual
The only preventative maintenance recommended for
the valve is to periodically inspect for leaks around
the stem packing. Should a leak appear, the packing
can be adjusted by tightening the gland retainer nuts
slightly. Avoid excessive tightening which may result
in excessive valve torque or premature packing wear.
Remedy
Replace worn parts.*
Operate several times to wipe clean.
Adjust stops to proper setting.
Operate several times to wipe clean or
disassemble valve and clean disc edge.*
Tighten packing only sufficiently to stop leaks.
Reinstall operator in proper alignment with
valve stem.
Check for proper pipe clearance.
Tighten seat retainer screws.
Replace body gasket.*
Replace seat.
Tighten gland nuts.
Replace packing.
Restrain handle or actuator when in
static position.
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D I S T R I B U T E D V A L V E S
WKM-MA-HPBV-IOM